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dc.contributor.authorPimpan Leangtanomen_US
dc.contributor.authorNarong Chanleken_US
dc.contributor.authorVisittapong Yordsrien_US
dc.contributor.authorAnurat Wisitsoraaten_US
dc.contributor.authorAdisorn Tuantranonten_US
dc.contributor.authorKata Jaruwongrungseeen_US
dc.contributor.authorSukon Phanichphanten_US
dc.contributor.authorViruntachar Kruefuen_US
dc.description.abstractHerein, NO2 noxious gas sensors based on precipitation/impregnation synthesized SnO2 nanoparticles loaded with Cu2O (Cu2O–SnO2) are presented. The particle properties are characterized by nitrogen adsorption, X-ray spectroscopic, and microscopic analyses. The NO2-sensing performances in terms of sensor response, response times, selectivity, and stability are optimized by varying Cu contents. The optimal sensing film (1.0 wt%Cu–SnO2) shows a high sensor response of ≈5680–5 ppm of NO2 at a low operating temperature of 200 °C. In addition, 1.0 wt%Cu–SnO2 sensor exhibits very high NO2 selectivity against SO2, H2S, C2H5OH, H2, C2H2, C2H4, and CH4 compared with unloaded one. Therefore, the 1.0 wt%Cu–SnO2 sensor is a promising candidate for highly sensitive and selective detection of NO2.en_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleEnhanced NO<inf>2</inf>-Sensing Properties of Cu-Loaded SnO<inf>2</inf> Nanoparticles Synthesized via Precipitation and Impregnation Methodsen_US
article.title.sourcetitlePhysica Status Solidi (A) Applications and Materials Scienceen_US Universityen_US National Metal and Materials Technology Centeren_US National Electronics and Computer Technology Centeren_US National Science and Technology Development Agencyen_US Mai Universityen_US Light Research Institute (Public Organization)en_US
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